using System;
using System.Drawing;
using Deltares.Dam.Data.Sensors;
using Deltares.Geometry.Forms;
using Deltares.Mathematics;
using Deltares.Standard;
using Deltares.Standard.Forms;
using Deltares.Standard.Forms.DExpress;

namespace Deltares.Dam.Forms
{
    public class SensorDrawingObject : DrawingObject
    {
        private Sensor sensor = null;
        private Color color = Color.Coral;
        private Point2D point = null;

        /// <summary>
        /// Initializes a new instance of the <see cref="SensorDrawingObject"/> class.
        /// </summary>
        public SensorDrawingObject()
        {
            this.Layer = -50;
        }

        /// <summary>
        /// Gets or sets the color.
        /// </summary>
        /// <value>
        /// The color.
        /// </value>
        public Color Color
        {
            get { return color; }
            set { color = value; }
        }

        /// <summary>
        /// Sets the data object.
        /// </summary>
        /// <param name="dataObject">The data object.</param>
        public override void SetDataObject(object dataObject)
        {
            this.sensor = (Sensor)dataObject;
        }

        /// <summary>
        /// Gets the data object.
        /// </summary>
        /// <returns></returns>
        public override object GetDataObject()
        {
            return sensor;
        }

        /// <summary>
        /// Render this object in 3D space.
        /// </summary>
        /// <param name="info">Rendering target information.</param>
        public override void Draw3D(GraphicsInfo info)
        {
            DrawingSupport.SetIEPDraw3D(info.Graphics);
            DrawingSupport.Pen3D(System.Drawing.Drawing2D.DashStyle.Solid, 3, color);

            if (sensor != null)
            {
                var calculatedPoint = new Point3D();
                var sensorPoint = new Point3D(sensor.RelativeLocation, 0.0, sensor.Depth);
                this.GetScaled3DPoint(info.Projection, new Point3D(sensorPoint.X, sensorPoint.Y, sensorPoint.Z), ref calculatedPoint);
                DrawingSupport.Cross_Symbol3D(calculatedPoint.X, calculatedPoint.Z, 10);
                point = new Point2D(calculatedPoint.X, calculatedPoint.Z);
            }
        }

        /// <summary>
        /// Determines whether the screenpoint is on the location of the sensor (to support showing tooltip)
        /// </summary>
        /// <param name="projection">The projection.</param>
        /// <param name="screenPoint">The screen point.</param>
        /// <returns></returns>
        public override bool ContainsPoint(IProjection projection, Point screenPoint)
        {
            var screenPoint2D = new Point2D(screenPoint.X, screenPoint.Y);

            if (point != null)
            {
                if (Routines2D.DetermineIfPointsCoincide(point, screenPoint2D, 3))
                {
                    return true;
                }
            }

            return false;
        }

        /// <summary>
        /// Renders a label or tooltip to provide some information in text for this object.
        /// </summary>
        /// <param name="info">Rendering target information.</param>
        public override void DrawLabel(GraphicsInfo info)
        {
            var realPoint = new Point(Convert.ToInt32(point.X), Convert.ToInt32(point.Y));
            var screenPoint = new Point(realPoint.X + 20, realPoint.Y - 20);

            DrawingSupport.DrawLabelAtPoint(info, realPoint, screenPoint, sensor.Name, Brushes.Black, Brushes.LemonChiffon, Brushes.DarkSlateGray);
        }

    }
}